Closing-disk.



W. L. WRIGHT.

CLOSING DISK. APPLIOAIJiON FILED JULY 1, 1909.

Patented May 24, 1910.

19i Munoz:

WILBITB L. WRIGHT, 0! WASHINGTON, DISTRICT OF COLUMBIA.

CLOSING-DISK.

Specification of Letters Patent.

Patented May 24, 1910.

Application filed July 1, 1909. Serial No. 505,451.

To all wiwm it may concern:

Be it known that I, WILBUR L. WRIGHT, a citizen of the United States, residing at Washington city, District of Columbia, have invented certain new and useful Im rovements in Closing-Disks; and I do here y declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates tocertain improvements inclosure caps or disks for bottles, jars, or other receptacles; and the objects and nature of the invention will be readily understood by those skilled in the art in the light of the following explanation of the accompanying drawings showing what I now consider my preferred embodiment from among other formations within the-spirit and scope of my invention.

The invention consists in acertain combination and formation as hereinafter more fully and particularly set forth and described.

Referring to the accompanying drawings. Figure 1, 1s a plan view of a closure disk em odying my invention. Fig. 2, is an edge view thereof. Fig. 3, is a section on line 33, Fig. 1, the single-ply wire ull being shown bent up by dotted lines. i 4, is a sectional pers ective. Fig. 5 isap an view of a closure isk having a modified formation of single-ply wire pull. Fig. 6, is a section on line 66, Fig. 5. Fig. 7 is a detached perspective view of the wire pull of F i 5. I In the drawings, I show a flat disk or cap 1, adapted to be forced into the mouth of a bottle, jar or other receptacle and seat on an internal annularledge beneath a shoulder or annular contraction. The disk can be cut from sheet material of com arativestiifness, such as card board, w pulp board, or equivalentmaterial. These disks are usually pressed or snapped into the bottle mouths onto the internal seats thereof and by reason of their stiffness and the tension under which they are usually held seated, are difficult to remove without a handle.

The disks are usually imprinted with advertising matter, or directions or other leg-v ible characterizations which should be exposed to the greatest possible extent on the to surfaces thereof.

he disks must usually be panflined after completion thereof, by being passed through parafiining rolls.

It is desirable to provide each disk with an attached pull tab or handle exposed at the top face thereof and whereby the disk can be readily removed from its seat in a receptacle mouth, but it is desirable that such handles interfere to the least possible extent with the exposure of the advertising matter on the disks; also that the handles be of such character as to permit proper paraffining of the disks by passage between paraffining rolls or otherwise; and also that the handles be of such character and formation as not to interfere with the free use of such disks in receptacle capping machines.

In view of the very low price at which such disks can be sold, it is desirable that the cost of the attached handles be kept down to the minimum in the matter of extra material required therefor and in the matter of extra cost for applying such handles. It is also desirable to reduce to the minimum all danger of so puncturing the disks in applying such handles as to permitleakage of milk or other liquid through the disks. Hence, 'I provide each disk with a single small comparatively flexible wire pull or handlecomposed of a single length 2, of wire resting radially and flat on the top face of the disk and extending transversely therethrough at the edge portion thereof and at its lower end 3, bent laterally or horizontally at the bottom face of the disk and about at right angles to the handle or top length 2. The handle length 2, usually terminates short of the center of the disk and does not extend quite to the edge or periphcry of the disk, and can be formed horizontally zig zag or with a multiplicity of oppositely extending angular deflections or oilsets or can be horizontally corrugated throughout its length as indicated by 20, to form a finger hold so that the single wire length can be held with the required grip, notwithstanding the paraflin thereon, in exerting the pull on the edge portion of the disk necessary to release the same from the receptacle mouth.

If so desired, the single short top wire length can be straight except for horizontal coil, loop or eye 21, at its inner end to form the finger hold and to prevent the wire pulling through the fingers in extracting the cap or disk;

The common comparatively stifi round or angular comparatively small book binders wire now found on the open market or reels or spools can be employed for the single wire pulls and it is particularlyadapted or this p because it is so treated as to be ractica l non-rusting or non-corrosive and use 0 certain other qualities.

Automatic machinery for economically and rapidly manufactu' these disks with handles attached can quic y and accurately feed the wire from the spool and force the necessary short length thereof through the ca material and bend theend 3, thereof tig tly down on the under face of the cap and cut ofi the proper length to form the single-strand or ply top length 2 at one end only puncturing the disk and secured.

The jaws that grip the wire and force the end thereof through, the disk material can have their faces oppositely corru ted to bend and corrugate the wire to fo m the corrugations 20, as said jaws press or draw the wire forward. 'Suitable.=means'can be provided for cutting ofi the 'i'equired le h of wire and for bending the handle en 2, and the bottom end 3," t 1ghtly3- down on and parallel with the top and bottom faces of the disk so as not to interfere with the pzraflining process and so that thedisks can readily applied to receptacles bv capping machines.-

The application of the small le wire length handle forms but a single sm afil puncture through the disk, and by bending the lower end of the wire substantially at right angles to the top end of the wire and extended bearing is attained at the under side exerted thereon and of the disk to prevent the wire tearing through the disk when extracting 'ull is furthermore sai lower lateral end forms what might be termed, a bearing on which the wire can rock when 1ts upper end is bent up preparatory to exertin the extracting pull thereon.

e short uplper or finger hold end of the single wire ength can be easily sprung up by the fingers or by a finger nail so that the same can be-gras ed by the fingers toexert the extracting pul Each wire ull requires such a short length of wire, an as the wire can be drawn by the cap" machine direct from the spools of wire now found on the market, and wire handling devices embodied in the cap machines can with great rapidity form and properly apply the short wire lengths to the disk materia either before or after the disks have been cut out, the cost of producing disks provided with the handles of this invention, is reduced to the minimum.

What I claim is:

. A closure disk having a short wire length resting on the top surface thereof and at one end only passed transversely through the disk and bent laterally at the under surface thereof, the top single-ply free-end portion of said wire length bent laterally tov rest flat on the disk and to form a finger hold, substantiall as described.

In testimon w ereof I aflix my signature, in presence 0 two witnesses.

' WILBUR L. WRIGHT. Witnessw:

HERBERT C. Emir, HUBERT' PEcK. 

